# 643 Knickerbocker Avenue, Brooklyn

Apartment building · 5 units · built c. 1915 · Block 3365, Lot 109.

On Umarelli: https://umarelli.org/nyc/3033650109/643-knickerbocker-avenue

More construction in Bushwick: https://umarelli.org/nyc/brooklyn/bushwick.md

Every lot on block 3365: https://umarelli.org/nyc/brooklyn/3365.md

## Building permits

- Alteration, filed Nov 13, 2018, estimated cost $5K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Nov 12, 2018, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”

## Property taxes

- Assessment: $482,850
- 2026–27 tax: $17,146
- Market value (city estimate): $1,073,000
- Taxable value: $137,839
- Assessed land: $83,700
- Assessed improvements: $399,150

## Zoning

R6: floor area ratio 2.23 built, 2.43 allowed by base zoning.

## Recent sales

- Mar 15, 2018: $875,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Board and land use applications

- Bushwick Neighborhood Plan (City Planning 2019K0199): Completed. This is an application for a 300-block section of Bushwick, Brooklyn, Community District 4 to create a thriving and inclusive Bushwick through preservation and creation of affordable housing, targeted investments in neighborhood…

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology